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irina [24]
3 years ago
7

Solve the following using the quadratic formula. (show your work) 5x^2-11=0

Mathematics
2 answers:
STatiana [176]3 years ago
8 0
In the X1 and X2 is the same number because a negative number X negative number your result always be a positive number

NARA [144]3 years ago
3 0
Use the quadratic formula:
a=5
b=0
c=11
answer would come out to (+ or -)square root of 55 all over 5. picture attached at bottom

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Which of the following equations is in standard form?
barxatty [35]

Answer  This idea can be used to write even larger numbers down easily in standard form. Small numbers can also be written in standard form.

Step-by-step

3 x 2 − 7 + 4 x 3 + x 6 The highest degree is 6, so that goes first, then 3, 2 and then the constant last:

8 0
3 years ago
There were some pieces of candy in a bowl. Shirley took half of them. Then Rose took half of the pieces left in the bowl. After
dexar [7]

Answer:

Number of pieces of candy in the bowl=64

Step-by-step explanation:

Let

x=number of pieces of candy in a bowl

Shirley took=1/2 of x

=1/2x

Remaining

x-1/2x

= 2x-x/2

=1/2x

Rose took half of the pieces left in the bowl=1/2 of 1/2x

=1/2*1/2x

=1/4x

Remaining

1/2x-1/4x

=2x-x/4

=1/4x

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=1/2*1/4x

=1/8x

Remaining 8

1/8x=8

x=8÷1/8

=8*8/1

=64

x=64

8 0
3 years ago
Please help with this geometry question!
faltersainse [42]
Since the properties of a rhombus tells us that both pairs of opposite sides are congruent we can therefore conclude that DB will be 12
6 0
3 years ago
Tom weighs 168.5 pounds his two year old son weighs 33.7 pounds hiw many times as much as nicholas does tom weigh
melisa1 [442]
168.5 / 33.7 = 5

so Tom weighs 5 times as much as Nicholas
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3 years ago
Brenna bought cupcakes for her sister's birthday party. 45 out of the 50 cupcakes had sprinkles on top. What percentage of the c
kogti [31]

Answer:

90 percent

Step-by-step explanation:

I'm pretty sure it is 90. I hated doing percentages. Every time we did a math test our teacher would give us back the paper and make us calculate the percentage ourselves.

4 0
3 years ago
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